- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 33/32 - Alkali metal silicates
Patent holdings for IPC class C01B 33/32
Total number of patents in this class: 326
10-year publication summary
|
15
|
10
|
22
|
29
|
40
|
25
|
22
|
20
|
30
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5132 |
27 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
16 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
13 |
| LG Chem, Ltd. | 17205 |
10 |
| Cognis IP Management GmbH | 708 |
6 |
| M. Technique Co., Ltd. | 237 |
6 |
| Pilkington Group Limited | 748 |
6 |
| Kabushiki Kaisha Toyota Jidoshokki | 1699 |
6 |
| Murata Manufacturing Co., Ltd. | 22355 |
5 |
| Nippon Chemical Industrial Co., Ltd. | 267 |
5 |
| Tronox LLC | 177 |
5 |
| AGC Flat Glass Europe SA | 67 |
4 |
| Shoei Chemical Inc. | 320 |
4 |
| Taiheiyo Cement Corporation | 237 |
4 |
| Evonik Operations GmbH | 3879 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| BASF SE | 19740 |
3 |
| Toyota Motor Corporation | 28582 |
3 |
| Chevron U.S.A. Inc. | 3774 |
3 |
| Asahi Glass Company, Limited | 2985 |
3 |
| Other owners | 190 |